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faltersainse [42]
3 years ago
13

On Friday afternoon, 560 people went to the local theater for the matinee. Youth tickets cost 5.75 and adult tickets cost 8.50.

If the theater's sales receipts totaled 3907.50, how many youth tickets were bought on friday afternoon?
Mathematics
1 answer:
lyudmila [28]3 years ago
5 0

310 youth tickets were sold

<em><u>Solution:</u></em>

Let "a" be the number of youth tickets sold

Let "b" be the number of adult tickets sold

Cost of 1 youth ticket = $ 5.75

Cost of 1 adult ticket = $ 8.50

<em><u>On Friday afternoon, 560 people went to the local theater for the matinee</u></em>

Therefore,

a + b = 560 ---------- eqn 1

<em><u>The theater's sales receipts totaled 3907.50</u></em>

<em><u>Therefore, we frame a equation as:</u></em>

number of youth tickets x Cost of 1 youth ticket + number of adult tickets x Cost of 1 adult ticket = 3907.50

a \times 5.75 + b \times 8.50 = 3907.50\\\\5.75a + 8.50b = 3907.50 --------- eqn 1

<em><u>From eqn 1,</u></em>

a = 560 - b --------- eqn 2

<em><u>Substitute eqn 2 in eqn 1</u></em>

5.75(560 - b) + 8.50b = 3907.50

3220 - 5.75b + 8.50b = 3907.50

2.75b = 3907.50 - 3220

2.75b = 687.5

Divide both sides of equation by 2.75

b = 250

<em><u>Substitute b = 250 in eqn 3</u></em>

a = 560 - 250

a = 310

Thus 310 youth tickets were sold

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Rudiy27

Answer:

The system of equations that can be used to find the price of one bag of popcorn and the price of one drink are:

8p + 10d = 85

2p + 2d = 20.50

Step-by-step explanation:

Let the price of a bag of popcorn be p

Let the price of one drink be d

Charlotte spends a total of $85.00 on 8 bags of popcorn and 10 drinks. This means

8p + 10d = 85

Savannah spends a total of $20.50 on 2 bags of popcorn and 2 drinks.

2p + 2d = 20.50

The system of equations that can be used to find the price of one bag of popcorn and the price of one drink are:

8p + 10d = 85 ----------1

2p + 2d = 20.50 - - - - - -2

Solving the equations with elimination method, multiply equation 1 by 2 and equation 2 by 8

16p + 20d = 170

16p + 16d = 164

Subtracting,

4d = 6

d = 6/4 = $1.5

Put d = 2 in equation 1

8p + 15 = 85

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4 0
3 years ago
Three workers at a fast food restaurant pack the take-out chicken dinners. john packs 45% of the dinners, mary packs 25% of the
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Anton [14]

Step-by-step explanation:

Assuming the data is as shown, restaurant X has a mean service time of 180.56, with a standard deviation of 62.6.

The standard error is SE = s/√n = 62.6/√50 = 8.85.

At 95% confidence, the critical value is z = 1.960.

Therefore, the confidence interval is:

180.56 ± 1.960 × 8.85

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The standard error is SE = s/√n = 49.2/√50 = 6.96.

At 95% confidence, the critical value is z = 1.960.

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152.96 ± 1.960 × 6.96

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A circle with radius of 5 cm sits inside a 11 cm * 11 cm rectangle.
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Answer:

42.43  cm^{2}

Step-by-step explanation:

Given:

A circle with a radius of 5 cm sits inside a 11 cm x 11 cm rectangle.

Question asked:

What is the area of the shaded region as shown in the figure ?

Solution:

First of all calculate area of circle and then area of rectangle:-

Area\ of\  cirle=\pi r^{2}

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<u>As here length an width both are 11 cm, we can say that this is a square.</u>

<u />Area\ of\ square=(Side)^{2}

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Now, area of shaded region = Area of square - Area of circle

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Therefore, the area of the shaded region will be 42.43  cm^{2}

Download docx
5 0
3 years ago
How do you find the question mark on #4?
kiruha [24]
64÷2 =32
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